package com.example.back_code.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.example.back_code.entity.po.StudentTeacherRel;
import java.util.List;

public interface StudentTeacherRelService extends IService<StudentTeacherRel> {
    List<Long> getStudentIdsByTeacherId(Long teacherId);
} 